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NCT00879086

A Study Comparing Eribulin Mesylate and Ixabepilone in Causing or Exacerbating Neuropathy in Participants With Advanced Breast Cancer

Version 6 to 7 · Eisai Inc.

Patch inspector

Version 6 to 7

14 operations 4 path groups ctgov_internal_history
ClinicalTrials.gov
Severity is deterministic uncalibrated triage metadata, not validated review priority. Operation-level severity is inferred from deterministic path rules. Rule matches shown per operation are approximate previews (they skip the pipeline's suppression passes); the authoritative classification is the stored event record.
Plain-language summary

Manual review pending.

Rules fired
eligibility_criteria_change
Value signals
[
  {
    "path": "/protocolSection/statusModule/primaryCompletionDateStruct/date",
    "signal": "timeline_shift",
    "category": "timeline_shift",
    "new_type": "ACTUAL",
    "old_type": "ESTIMATED",
    "severity": "medium",
    "direction": "later",
    "new_value": "2013-04",
    "old_value": "2013-02",
    "delta_days": 59,
    "date_struct": "primaryCompletionDateStruct",
    "new_precision": "month",
    "old_precision": "month"
  }
]
Provenance
Source
ctgov_internal_history
Fetched
2026-06-18 18:44:32+00
Raw hash
291eed6bc95dd8fc29618f8a6fc2530e390c9c3c28db396880d909e5697d5262
Payload
Source URL
Eligibility Criteria and population definition changes. Triage: High 1 ops
replace /protocolSection/eligibilityModule/eligibilityCriteria
Triage: High
Eligibility Change Operation 6
Matched rules
  • eligibility_criteria_change Eligibility criteria changes can alter the studied population.
Before
<p>Inclusion criteria:</p><p>1. Female subjects with confirmed locally recurrent or metastatic carcinoma of the breast who have received prior taxane therapy and at least one prior cytotoxic chemotherapy regimen for advanced disease.</p><p>Exclusion criteria:</p><ol><li>Subjects who have received prior ixabepilone therapy.</li><li>Subjects with prior participation in an eribulin clinical study, even if not assigned to eribulin treatment.</li><li>Subjects with pre-existing neuropathy Grade ≥ 2.</li><li>Subjects with a history of diabetes mellitus Type 1 or 2.</li><li>Subjects with bilateral mastectomy which included bilateral axillary lymph node dissection.</li><li>Subjects with missing digits required for vibration assessment.</li><li>Subjects with any other concurrent diseases or conditions that would be expected to interfere with neuropathy assessments, which may include vitamin deficiency, sequelae of cerebrovascular disease, thyroid insufficiency, lumbar or cervical radiculopathy, or alcoholic or inflammatory neuropathy.</li></ol>
After
<p>Inclusion criteria:</p><p>1. Female subjects with confirmed locally recurrent or metastatic carcinoma of the breast who have received prior taxane therapy and at least one prior cytotoxic chemotherapy regimen for advanced disease.</p><p>Exclusion criteria:</p><ol><li>Subjects who have received prior ixabepilone therapy.</li><li>Subjects with prior participation in an eribulin clinical study, even if not assigned to eribulin treatment.</li><li>Subjects with pre-existing neuropathy Grade greater than or equal to 2.</li><li>Subjects with a history of diabetes mellitus Type 1 or 2.</li><li>Subjects with bilateral mastectomy which included bilateral axillary lymph node dissection.</li><li>Subjects with missing digits required for vibration assessment.</li><li>Subjects with any other concurrent diseases or conditions that would be expected to interfere with neuropathy assessments, which may include vitamin deficiency, sequelae of cerebrovascular disease, thyroid insufficiency, lumbar or cervical radiculopathy, or alcoholic or inflammatory neuropathy.</li></ol>
Timeline Start, primary completion, and completion date movement. Triage: Medium 2 ops
replace /protocolSection/statusModule/primaryCompletionDateStruct/date
Triage: Medium
Timeline Shift Operation 2
Matched rules
  • primary_completion_timeline_change Primary completion date changes are operational timeline signals.
Before
2013-02
After
2013-04
replace /protocolSection/statusModule/primaryCompletionDateStruct/type
Triage: Medium
Timeline Shift Operation 3
Matched rules
  • primary_completion_timeline_change Primary completion date changes are operational timeline signals.
Before
ESTIMATED
After
ACTUAL
Contacts and locations Site, contact, and location updates that are usually operational. Triage: Uncategorized 8 ops
replace /protocolSection/contactsLocationsModule/locations/25/zip
Triage: Uncategorized
Uncategorized Operation 7
Before
07856
After
7856
remove /protocolSection/contactsLocationsModule/locations/32
Triage: Uncategorized
Uncategorized Operation 8
Before
{
  "zip": "97213-2996",
  "city": "Portland",
  "state": "Oregon",
  "country": "United States",
  "facility": "Northwest Cancer Specialists Hoyt",
  "geoPoint": {
    "lat": 45.52345,
    "lon": -122.67621
  }
}
add /protocolSection/contactsLocationsModule/locations/33
Triage: Uncategorized
Uncategorized Operation 9
After
{
  "city": "Portland",
  "state": "Oregon",
  "country": "United States",
  "facility": "Northwest Cancer Specialists Hoyt",
  "geoPoint": {
    "lat": 45.52345,
    "lon": -122.67621
  }
}
remove /protocolSection/contactsLocationsModule/locations/38
Triage: Uncategorized
Uncategorized Operation 10
Before
{
  "zip": "75230-2510",
  "city": "Dallas",
  "state": "Texas",
  "country": "United States",
  "facility": "Texas Cancer Center at Medical City",
  "geoPoint": {
    "lat": 32.78306,
    "lon": -96.80667
  }
}
remove /protocolSection/contactsLocationsModule/locations/38
Triage: Uncategorized
Uncategorized Operation 11
Before
{
  "zip": "75231-4400",
  "city": "Dallas",
  "state": "Texas",
  "country": "United States",
  "facility": "Texas Oncology, PA",
  "geoPoint": {
    "lat": 32.78306,
    "lon": -96.80667
  }
}
add /protocolSection/contactsLocationsModule/locations/39
Triage: Uncategorized
Uncategorized Operation 12
After
{
  "city": "Dallas",
  "state": "Texas",
  "country": "United States",
  "facility": "Texas Cancer Center at Medical City",
  "geoPoint": {
    "lat": 32.78306,
    "lon": -96.80667
  }
}
add /protocolSection/contactsLocationsModule/locations/40
Triage: Uncategorized
Uncategorized Operation 13
After
{
  "city": "Dallas",
  "state": "Texas",
  "country": "United States",
  "facility": "Texas Oncology, PA",
  "geoPoint": {
    "lat": 32.78306,
    "lon": -96.80667
  }
}
remove /protocolSection/contactsLocationsModule/locations/43/zip
Triage: Uncategorized
Uncategorized Operation 14
Before
75075-7787
Other registry fields Changes outside the current high-signal rule families. Triage: Uncategorized 3 ops
replace /protocolSection/statusModule/statusVerifiedDate
Triage: Uncategorized
Uncategorized Operation 1
Before
2012-09
After
2013-06
replace /protocolSection/statusModule/lastUpdateSubmitDate
Triage: Uncategorized
Uncategorized Operation 4
Before
2012-09-05
After
2013-06-05
replace /protocolSection/statusModule/lastUpdatePostDateStruct/date
Triage: Uncategorized
Uncategorized Operation 5
Before
2012-09-07
After
2013-06-06
Raw JSON Patch
[
  {
    "op": "replace",
    "path": "/protocolSection/statusModule/statusVerifiedDate",
    "value": "2013-06"
  },
  {
    "op": "replace",
    "path": "/protocolSection/statusModule/primaryCompletionDateStruct/date",
    "value": "2013-04"
  },
  {
    "op": "replace",
    "path": "/protocolSection/statusModule/primaryCompletionDateStruct/type",
    "value": "ACTUAL"
  },
  {
    "op": "replace",
    "path": "/protocolSection/statusModule/lastUpdateSubmitDate",
    "value": "2013-06-05"
  },
  {
    "op": "replace",
    "path": "/protocolSection/statusModule/lastUpdatePostDateStruct/date",
    "value": "2013-06-06"
  },
  {
    "op": "replace",
    "path": "/protocolSection/eligibilityModule/eligibilityCriteria",
    "value": "<p>Inclusion criteria:</p><p>1. Female subjects with confirmed locally recurrent or metastatic carcinoma of the breast who have received prior taxane therapy and at least one prior cytotoxic chemotherapy regimen for advanced disease.</p><p>Exclusion criteria:</p><ol><li>Subjects who have received prior ixabepilone therapy.</li><li>Subjects with prior participation in an eribulin clinical study, even if not assigned to eribulin treatment.</li><li>Subjects with pre-existing neuropathy Grade greater than or equal to 2.</li><li>Subjects with a history of diabetes mellitus Type 1 or 2.</li><li>Subjects with bilateral mastectomy which included bilateral axillary lymph node dissection.</li><li>Subjects with missing digits required for vibration assessment.</li><li>Subjects with any other concurrent diseases or conditions that would be expected to interfere with neuropathy assessments, which may include vitamin deficiency, sequelae of cerebrovascular disease, thyroid insufficiency, lumbar or cervical radiculopathy, or alcoholic or inflammatory neuropathy.</li></ol>"
  },
  {
    "op": "replace",
    "path": "/protocolSection/contactsLocationsModule/locations/25/zip",
    "value": "7856"
  },
  {
    "op": "remove",
    "path": "/protocolSection/contactsLocationsModule/locations/32"
  },
  {
    "op": "add",
    "path": "/protocolSection/contactsLocationsModule/locations/33",
    "value": {
      "city": "Portland",
      "state": "Oregon",
      "country": "United States",
      "facility": "Northwest Cancer Specialists Hoyt",
      "geoPoint": {
        "lat": 45.52345,
        "lon": -122.67621
      }
    }
  },
  {
    "op": "remove",
    "path": "/protocolSection/contactsLocationsModule/locations/38"
  },
  {
    "op": "remove",
    "path": "/protocolSection/contactsLocationsModule/locations/38"
  },
  {
    "op": "add",
    "path": "/protocolSection/contactsLocationsModule/locations/39",
    "value": {
      "city": "Dallas",
      "state": "Texas",
      "country": "United States",
      "facility": "Texas Cancer Center at Medical City",
      "geoPoint": {
        "lat": 32.78306,
        "lon": -96.80667
      }
    }
  },
  {
    "op": "add",
    "path": "/protocolSection/contactsLocationsModule/locations/40",
    "value": {
      "city": "Dallas",
      "state": "Texas",
      "country": "United States",
      "facility": "Texas Oncology, PA",
      "geoPoint": {
        "lat": 32.78306,
        "lon": -96.80667
      }
    }
  },
  {
    "op": "remove",
    "path": "/protocolSection/contactsLocationsModule/locations/43/zip"
  }
]